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luckyleap.BRT.Helper.exe

lucky leap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application luckyleap.BRT.Helper.exe by lucky leap has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address install.luckyleap.net on port 80 using the HTTP protocol.
Publisher:
lucky leap  (signed and verified)

Version:
1.0.0.0

MD5:
23d497bc6c467e30fe2ef4b45fac9959

SHA-1:
cf479cde62c1fe16da99901ef5b15139909036f8

SHA-256:
faf783f318744b91b3cc4e48556ea633cef4f69673656a568f3b97e70223e66f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/19/2024 2:30:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.luckyleap (M)
16.2.11.22

File size:
157.3 KB (161,056 bytes)

Product version:
1.0.0.0

Original file name:
luckyleap.BRT.Helper.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\lucky leap\bin\luckyleap.brt.helper.exe

Digital Signature
Signed by:
lucky leap

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 5:30:00 AM

Valid to:
8/14/2015 5:29:59 AM

Subject:
CN=lucky leap, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=lucky leap, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6A5011DFCDBB457548BCC92ED7587788

File PE Metadata
Compilation timestamp:
10/8/2014 12:58:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
3072:qLu6xSrBOwNXlJnhIZin8cXq8/Z38+yDazMfdCREX:qLujpNXlJ0in8cV/ZM+yDazOdb

Entry address:
0x270F6

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.1188

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
148.5 KB (152,064 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to install.luckyleap.net  (70.186.131.184:80)

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